I used this at home a few times, but I no longer need it, so I'm selling it. From the manufacturer: This is a high-quality passive direct box (DI). It allows you to connect instruments or line-level signals to equipment with balanced inputs, such as mixers. It is equipped with a low-pass filter to cut high-frequency noise and a PAD switch that can attenuate by -40dB. Specifications: ■ Passive Direct Box ■ Attenuator: 0, -20, -40dB ■ Ground Lift Switch ■ Phase Switch ■ Low-Pass Filter: -3dB@30Hz ■ INPUT: Phone (1/4" TS) ■ INPUT THRU: Phone (1/4" TS) ■ OUTPUT: XLR ■ Frequency Response: 10Hz-50kHz ■ THD: 0.1% ■ Input Impedance: 50kΩ ■ Output Impedance: 600Ω ■ Dimensions: 4.45 x 10.7 x 8.9cm ■ Weight: 0.34kg *Please note that we are not accepting price negotiations for this product. Thank you for your understanding.